(2R,3R,11bR)-Dihydrotetrabenazine D-Val is a related compound of (2S,3S,11bS)-Dihydrotetrabenazine (D454905).Tetrabenazine and dihydrotetrabenazines are potent inhibitors of vesicular monoamine transporter 2 (VMAT2). Furthermore, the derivatives of these compounds are potential drug candidates for treating various diseases such as Huntington’s disease and other hyperkinetic disorders.